<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="/static/plugins/layui/css/layui.css">
    <style>
        form {
            width: 500px;
        }
    </style>
</head>

<body>
<form class="layui-form">
    <div class="layui-form-item">
        <label class="layui-form-label">用户名</label>
        <div class="layui-input-block">
            <input type="text" id="username" name="username" lay-verify="required" placeholder="请输入"
                   autocomplete="off"
                   class="layui-input">
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">密码</label>
        <div class="layui-input-block">
            <input type="password" id="password" name="password" lay-verify="required" placeholder="请输入"
                   autocomplete="off"
                   class="layui-input">
        </div>
    </div>

    <div class="layui-form-item">
        <input type="hidden" id="sex" value="0">
        <label class="layui-form-label">性别</label>
        <div class="layui-input-block">
            <input lay-filter="sex-filter" type="radio" name="sex" value="0" title="男" checked>
            <input lay-filter="sex-filter" type="radio" name="sex" value="1" title="女">
            <input lay-filter="sex-filter" type="radio" name="sex" value="2" title="保密">
        </div>
    </div>
</form>
<script src="/static/js/jquery.min.js"></script>
<script src="/static/plugins/layui/layui.js"></script>
<script>
    layui.use(function (){
        var form = layui.form;
        form.on('radio(sex-filter)', function (data) {
            $("#sex").val(data.elem.value);
        })
    })
</script>
</body>
</html>